Traditionally prostate cancer is diagnosed by performing Digital Rectal Examination (DRE) or testing the PSA level in blood. The PSA levels in blood can be tested by various methods. But sample volume, time taken to get the results and contaminations are various problems in these methods. ...
PSA velocity.This isn't a separate test, but it looks at the results of more than one total PSA test to see if yourPSA levelis rising and if so, how fast. Complexed PSA.This measures the amount of PSA that is attached to proteins in your blood. It’s not widely used, but it may...
When your doctor initially tests your prostate-specific antigen (PSA), they look at the total amount of PSA in your blood. If this test shows you have a high PSA level, your doctor may have you take some additional tests to decide if you need a prostate biopsy. ...
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testing PSA it’s possible to detect early‑stage asymptomatic prostate cancer. PSA (prostate-specific antigen) is a protein produced by the prostate. Its level in the blood typically increase in prostate cancer and benign prostatic hyperplasia. PSA level can be determined with a simple blood ...
Prevalence of prostate cancer among men with a prostate-specific antigen level < or =4.0 ng per milliliter. N Engl J Med 2004;350(22):2239-2246. 摘要 背景 : 前列腺特异性抗原 ( PSA ) 正常范围的最佳上 限未知.我们调查了前列腺癌预防试验中 PSA 水平为 4.0 ng/mL 或更低的男性中前列腺癌的...
After curative radiation, the PSA generally stays under 1.0 long-term. However, there are exceptions. Sometimes, the PSA level drops slowly after radiation and it may take years to reach its lowest point. Younger people may have a short-term PSA rise that's not cancer-related. That's more...
To confirm the allele specific effect, immunohistochemistry analysis was performed in patient tissue samples (TT = 10, CT = 10 and CC = 2) using an anti-PSA antibody to confirm the allele-dependent expression of PSA at the protein level. Reduced PSA (P = 0.01) protein ...
Participating men randomized to the intervention underwent PSA testing. Those with a PSA level of 3.0 ng/mL or higher underwent additional testing for high-grade prostate cancer with a 4-kallikrein panel risk score. Those wi...
In the intervention group, 75 707 (40%) attended the PSA testing clinic and 67 313 (36%) underwent PSA testing. Of 64 436 with a valid PSA test result, 6857 (11%) had a PSA level between 3 ng/mL and 19.9 ng/mL, of whom 5850 (85%) had a prostate biopsy. After a ...